Decomon, Remover of Hope

+2: This planeswalker becomes a 5/5 Demon creature with flying and "Pay 3 life: Regenerate this creature." if it has 10+ loyalty counters on it.
-4: Put four 1/1 Shades with flying and "This creature attacks during each of its owners combats as long as it is not dead." onto the battlefield.
-9: Put two 5/5 black Demon creatures with flying onto the battlefield. Creatures you control have haste until end of turn.